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C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术

...可以访问U_Ptr的成员 class U_Ptr { friend class HasPtr; int *ip; size_t use; U_Ptr(int *p) : ip(p) , use(1) { cout << "U_ptr constructor called !" << endl; } ~U_Ptr() { delete ip; cout << "U_ptr distructor called !" << endl; } }; HasPtr类需要一个析...
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java.net.ConnectException: localhost/127.0.0.1:8080 - Connection refused

...ly i am doing the same thing. Can u explain in detail. Where to change the ip address to 10.0.2.2. This is the folder i am trying to access from xampp server localhost:8080/aero – pradeep Mar 31 '11 at 5:56 ...
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How can I do DNS lookups in Python, including referring to /etc/hosts?

...y sure if you want to do DNS lookups yourself or if you just want a host's ip. In case you want the latter, import socket print(socket.gethostbyname('localhost')) # result from hosts file print(socket.gethostbyname('google.com')) # your os sends out a dns query ...
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Max length for client ip address [duplicate]

...uld you recommend as the maximum size for a database column storing client ip addresses? I have it set to 16 right now, but could I get an ip address that is longer than that with IPv6, etc? ...
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Validating IPv4 addresses with regexp

I've been trying to get an efficient regex for IPv4 validation, but without much luck. It seemed at one point I had had it with (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?(\.|$)){4} , but it produces some strange results: ...
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对外网用户的squid代理+认证 - 更多技术 - 清泛网 - 专注C/C++及内核技术

....6-STABLE12 。 服务器及网络信息: 外网网卡:em0;外网ip:221.6.117.50/255.255.255.240 内网网卡:em1;内网ip:128.0.0.4/255.255.252.0 架设过程: 一、FreeBSD的安装 1、最小化安装FreeBSD6.2RELEASE 2、配置内核: jiulongproxynew# cd /usr/src/...
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Add Keypair to existing EC2 instance

...eating these steps until you have it working. Note: If you had an Elastic IP address assigned to instance A when you stopped it, you’ll need to reassociate it after starting it up again. Remember! If your instance B was temporarily started just for this process, don’t forget to terminate it no...
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php 获取操作系统、浏览器版本信息(持续更新) - 更多技术 - 清泛网 - 专...

...eregi('flashget', $agent)){ $os = 'flashget'; } else if (eregi('webzip', $agent)){ $os = 'webzip'; } else if (eregi('offline', $agent)){ $os = 'offline'; } else { $os = 'Unknown'; } return $os; } 二、获取浏览器信息: /** * 获取浏览器信息 * * @r...
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std::string截取字符串,截取ip:port - c++1y / stl - 清泛IT社区,为创新赋能!

std::string ip(&quot;127.0.0.1:8888&quot;); int index = ip.find_last_of(':'); // 获取ip ip.substr(0, index).c_str(); // 获取port ip.substr(index + 1).c_str();
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How to find SQL Server running port?

... GO xp_readerrorlog 0, 1, N'Server is listening on' GO http://www.mssqltips.com/sqlservertip/2495/identify-sql-server-tcp-ip-port-being-used/ share | improve this answer | ...